Regulator



FIG. 1 is an isometric perspective front view of a regulator according to the present invention;

FIG. 2 is a front view of the regulator of FIG. 1;

FIG. 3 is a bottom view of the regulator of FIG. 1;

FIG. 4 is a back view of the regulator of FIG. 1;

FIG. 5 is a right side view of the regulator of FIG. 1;

FIG. 6 is a left side view of the regulator of FIG. 1; and,

FIG. 7 is a top view of the regulator of FIG. 1.

The broken lines shown in the figures are for the purpose of illustrating portions of the regulator and form no part of the claimed design. 

CLAIM The ornamental design for a regulator, as shown and described. 